.div{
    margin: 8px;
}
.sapn{
    font-family: 微软雅黑;
    font-size: large;
}
.info{
    border: solid yellowgreen 1px;
}
h2{
    margin-left: 25%;
}
.btnClass{
    margin-left: 70%;
}
textarea{
    resize:none;
    width: 100%;
}
.img{
    margin-left: 25%;
}
.king-btn-demo{
    float: right;
}
.second{
    border: 2px solid yellow;
}
.first{
    border: 3px solid black;
}